Can I keep my old window trim when I install shutters? Absolutely! There’s a reason to take out or alter your existing window trim when putting in new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters can be customized with an array of frame styles to fit naturally into your current window trim. If your windows are trimless, we offer frame styles to install directly onto the wall around your window to fix your stunning new shutters to your window opening.Your installation crew will measure each of your house’s windows during your complimentary design consultation to ensure that your window trim is tastefully complemented by the frame of your new shutters.